Patents by Inventor Hiroaki Moriyama
Hiroaki Moriyama has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10289032Abstract: An oil removing device includes a first heating member that at an outer surface thereof contacts a non-image surface of a recording medium which is transported, and that heats the recording medium, a toner image that is formed by using liquid developer that contains volatile oil and toner being transferred to the recording medium; and a second heating member that is disposed on a downstream side of the first heating member in a transport direction, the second heating member contacting at an outer surface thereof the non-image surface of the recording medium and heating the recording medium. In the oil removing device, a non-contact region where the non-image surface of the recording medium does not contact the first heating member and the second heating member is provided between the first heating member and the second heating member.Type: GrantFiled: September 25, 2017Date of Patent: May 14, 2019Assignee: FUJI XEROX CO., LTD.Inventors: Masaaki Abe, Satoshi Tatsuura, Nobuhiro Katsuta, Hiroaki Moriyama
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Publication number: 20180275566Abstract: An oil removing device includes a first heating member that at an outer surface thereof contacts a non-image surface of a recording medium which is transported, and that heats the recording medium, a toner image that is formed by using liquid developer that contains volatile oil and toner being transferred to the recording medium; and a second heating member that is disposed on a downstream side of the first heating member in a transport direction, the second heating member contacting at an outer surface thereof the non-image surface of the recording medium and heating the recording medium. In the oil removing device, a non-contact region where the non-image surface of the recording medium does not contact the first heating member and the second heating member is provided between the first heating member and the second heating member.Type: ApplicationFiled: September 25, 2017Publication date: September 27, 2018Applicant: FUJI XEROX Co., Ltd.Inventors: Masaaki ABE, Satoshi TATSUURA, Nobuhiro KATSUTA, Hiroaki MORIYAMA
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Patent number: 9778535Abstract: A particle dispersion and the display devices in which the dispersion may be incorporated are provided. The particle dispersion includes a dispersion medium, one or more types of particle groups that are dispersed in the dispersion medium that may differ based on color and/or charge, and counter-ions oppositely charged than the one or more particle groups. The particle groups and counter-ions are moved in the dispersion medium according to an electric field formed in the dispersion medium. The one or more types of particle groups are configured such that the total amount of charges of one type of particle group (a) among the one or more types of particle groups is greater than a total amount of charges of the counter-ions that are charged with a polarity opposite to that of the particle group (a).Type: GrantFiled: January 20, 2015Date of Patent: October 3, 2017Assignee: E Ink CorporationInventors: Taijyu Gan, Tomozumi Uesaka, Hiroaki Moriyama, Nami Tokunaga, Yoshinori Machida
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Patent number: 9389526Abstract: An electrostatic latent image developing toner includes toner particles each including a toner core and a shell layer. The shell layer contains a resin including a unit derived from a monomer of a thermosetting resin and a unit derived from a thermoplastic resin. The thermosetting resin is one or more resins selected from the group of amino resins consisting of a melamine resin, a urea resin, and a glyoxal resin. When heat and pressure are applied to a toner layer formed on a polyester film under conditions of a temperature of 140° C. and a pressure of 7 MPa so that the toner particles are not superimposed, the toner particles of the toner layer are broken in a manner that a melt of a component of the toner core flows out from a plurality of points in an outer surface of the shell layer.Type: GrantFiled: July 7, 2014Date of Patent: July 12, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Yoshio Ozawa, Noriaki Sakamoto, Hiroaki Moriyama, Tomoyuki Ogawa, Takatoshi Nozaki
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Patent number: 9256150Abstract: A two-component developer of the present disclosure contains a carrier and toner particles. The carrier includes a carrier core, a first layer coating a surface of the carrier core, and a second layer coating a surface of the first layer. The first layer contains a fluorine-based resin, and the second layer contains a polyamide-imide resin and/or a melamine resin. The toner particles each include a toner core containing a binder resin and a shell layer coating a surface of the toner core. The shell layer contains a thermosetting resin.Type: GrantFiled: October 13, 2014Date of Patent: February 9, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Yusuke Kurano, Hiroaki Moriyama
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Publication number: 20160033844Abstract: A particle dispersion for display, includes a dispersion medium, and one or more types of particle groups that are dispersed in the dispersion medium, and are moved in the dispersion medium according to an electric field formed in the dispersion medium, wherein a total amount of charges of one type of particle group (a) among the one or more types of particle groups is greater than a total amount of charges of ions that are charged with a polarity opposite to that of the particle group (a) and are movable in the dispersion medium.Type: ApplicationFiled: January 20, 2015Publication date: February 4, 2016Inventors: Taijyu GAN, Tomozumi UESAKA, Hiroaki MORIYAMA, Nami TOKUNAGA, Yoshinori MACHIDA
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Patent number: 9182696Abstract: A magnetic toner for developing an electrostatic latent image of the present disclosure includes toner particles each having a toner core containing a binder resin and a magnetic powder, and a shell layer coating a surface of the toner core. The shell layer contains a unit derived from a monomer of a thermosetting resin and a unit derived from a thermoplastic resin. The thermosetting resin is one or more resins selected from the group of amino resins consisting of a melamine resin, a urea resin, and a glyoxal resin. The amount of iron eluted from the toner core (iron concentration in a filtrate) measured by a specified method is 10 mg/L or less.Type: GrantFiled: July 23, 2014Date of Patent: November 10, 2015Assignee: KYOCERA Document Solutions Inc.Inventors: Yoshio Ozawa, Toshiki Takemori, Masanori Sugahara, Hiroaki Moriyama, Masashi Tamagaki
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Patent number: 9152005Abstract: A particle dispersion for display includes color particles for display that move in response to an electric field and include first color particles and second color particles; and a dispersion medium that disperses the color particles for display, in which the second color particles have a larger particle diameter than a particle diameter of the first color particles and the same charging characteristic as a charging characteristic of the first color particles, and in the color particles for display, a ratio (Cs/Cl) of a charge amount Cs of the first color particles per unit area of display to a charge amount Cl of the second color particles per unit area of display is less than or equal to 5.Type: GrantFiled: April 26, 2013Date of Patent: October 6, 2015Assignee: FUJI XEROX CO., LTD.Inventors: Takashi Morikawa, Naoki Hiji, Yasuo Yamamoto, Daisuke Nakayama, Mieko Seki, Hiroaki Moriyama, Ryota Mizutani, Masaaki Abe, Nami Tokunaga, Chikara Manabe, Jun Cao
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Publication number: 20150104744Abstract: A two-component developer of the present disclosure contains a carrier and toner particles. The carrier includes a carrier core, a first layer coating a surface of the carrier core, and a second layer coating a surface of the first layer. The first layer contains a fluorine-based resin, and the second layer contains a polyamide-imide resin and/or a melamine resin. The toner particles each include a toner core containing a binder resin and a shell layer coating a surface of the toner core. The shell layer contains a thermosetting resin.Type: ApplicationFiled: October 13, 2014Publication date: April 16, 2015Applicant: KYOCERA DOCUMENT SOLUTIONS INC.Inventors: Yusuke KURANO, Hiroaki MORIYAMA
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Patent number: 8999619Abstract: A toner for electrostatic latent image development is comprised toner particles containing toner core particle containing at least a binder resin and a shell layer coating the toner core particle. The shell layer is smoothened to a predetermined level. The average particle diameter of the resin fine particles is from 45 nm to 300 nm. And, when cross-sections of the toner particles are observed using a transmission electron microscope, cracks approximately perpendicular to surfaces of the toner core particles are observable inside the shell layer.Type: GrantFiled: July 24, 2013Date of Patent: April 7, 2015Assignee: KYOCERA Document Solutions Inc.Inventors: Hiroaki Moriyama, Yukinori Nakayama, Takeo Mizobe, Takanori Tanaka, Hiroki Uemura
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Patent number: 8999620Abstract: A toner for electrostatic latent image development, containing toner particles composed of toner core particle containing at least a binder resin and a shell layer coating the toner core particle. Average circularities D4 to D7 of toner particles within predetermined particle diameter ranges are each no less than 0.960, the difference (Dmax?Dmin) between a maximum value Dmax among D4 to D7 and a minimum value Dmin among D4 to D7 is no greater than 0.015. The shell layer is smoothened to a predetermined level. And, cracks in a direction approximately perpendicular to a surface of the toner core particles are observable inside the shell layer when cross-section of the toner particle is observed using a transmission electron microscope.Type: GrantFiled: July 30, 2013Date of Patent: April 7, 2015Assignee: KYOCERA Document Solutions Inc.Inventors: Takanori Tanaka, Yukinori Nakayama, Hiroaki Moriyama, Takeo Mizobe, Hiroki Uemura
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Patent number: 8980514Abstract: A toner for electrostatic latent image development is comprised toner particles containing toner core particle containing at least a binder resin and a shell layer coating the toner core particle. The shell layer is smoothened to a predetermined level. And, when cross-sections of the toner particles are observed using a transmission electron microscope, cracks approximately perpendicular to surfaces of the toner core particles are observable inside the shell layer.Type: GrantFiled: July 24, 2013Date of Patent: March 17, 2015Assignee: KYOCERA Document Solutions Inc.Inventors: Yukinori Nakayama, Hiroaki Moriyama, Takeo Mizobe, Takanori Tanaka, Hiroki Uemura
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Patent number: 8982042Abstract: An image display medium driver includes a voltage applying unit that applies a voltage between a pair of substrates of an image display medium that displays an image, the image display medium including plural groups of colored particles colored in a color which is different for every group, at least one of the substrates having transparent properties, each group of colored particles moved when the voltage equal to or higher than a threshold voltage in terms of absolute value, that is different for every group, and a controller that determines a substrate on which the colored particles are present for each group of colored particles based on the last image information used for displaying an image.Type: GrantFiled: April 16, 2012Date of Patent: March 17, 2015Assignee: Fuji Xerox Co., Ltd.Inventors: Yasufumi Suwabe, Masaaki Abe, Yoshinori Machida, Hiroaki Moriyama
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Patent number: 8980515Abstract: A magnetic toner for electrostatic latent image development includes toner particles containing toner core particle containing at least a binder resin and a magnetic powder, and a shell layer coating the toner core particle. In the toner, in the case where the surfaces of the shell layers are observed using a scanning electron microscope, the magnetic powder is not observed, and approximately spherical particles derived from the resin fine particles are not observed on the surfaces of the shell layers for toner particles having a particle diameter in a specific range. In the toner, in the case where the cross-sectional surfaces of the toner particles are observed using a transmission electron microscope, cracks approximately perpendicular to surfaces of the toner core particles are observed inside the shell layers.Type: GrantFiled: August 8, 2013Date of Patent: March 17, 2015Assignee: KYOCERA Document Solutions Inc.Inventors: Takeo Mizobe, Yukinori Nakayama, Hiroaki Moriyama, Takanori Tanaka, Hiroki Uemura
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Publication number: 20150030978Abstract: A magnetic toner for developing an electrostatic latent image of the present disclosure includes toner particles each having a toner core containing a binder resin and a magnetic powder, and a shell layer coating a surface of the toner core. The shell layer contains a unit derived from a monomer of a thermosetting resin and a unit derived from a thermoplastic resin. The thermosetting resin is one or more resins selected from the group of amino resins consisting of a melamine resin, a urea resin, and a glyoxal resin. The amount of iron eluted from the toner core (iron concentration in a filtrate) measured by a specified method is 10 mg/L or less.Type: ApplicationFiled: July 23, 2014Publication date: January 29, 2015Applicant: KYOCERA Document Solutions Inc.Inventors: Yoshio OZAWA, Toshiki TAKEMORI, Masanori SUGAHARA, Hiroaki MORIYAMA, Masashi TAMAGAKI
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Publication number: 20150017582Abstract: An electrostatic latent image developing toner includes toner particles each including a toner core and a shell layer. The shell layer contains a resin including a unit derived from a monomer of a thermosetting resin and a unit derived from a thermoplastic resin. The thermosetting resin is one or more resins selected from the group of amino resins consisting of a melamine resin, a urea resin, and a glyoxal resin. When heat and pressure are applied to a toner layer formed on a polyester film under conditions of a temperature of 140° C. and a pressure of 7 MPa so that the toner particles are not superimposed, the toner particles of the toner layer are broken in a manner that a melt of a component of the toner core flows out from a plurality of points in an outer surface of the shell layer.Type: ApplicationFiled: July 7, 2014Publication date: January 15, 2015Applicant: KYOCERA DOCUMENT SOLUTIONS INC.Inventors: Yoshio OZAWA, Noriaki SAKAMOTO, Hiroaki MORIYAMA, Tomoyuki OGAWA, Takatoshi NOZAKI
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Patent number: 8717282Abstract: White particles for display including at least one of a chain or cyclic polysilane compound having a polysilane structure represented by the following Formula (I) or a halogen-substituted compound thereof: wherein in Formula (I), A represents a phenyl group, B represents an alkyl group or a phenyl group, and n represents an integer of from 5 to 1000.Type: GrantFiled: March 4, 2013Date of Patent: May 6, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Yasuo Yamamoto, Hiroaki Moriyama
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Patent number: 8704754Abstract: A driving device of a display medium that including first and second particle groups migrating independently due to a first voltage being imparted for a first time period, forming aggregates due to the first voltage being imparted for a second time period, and the aggregates migrating due to a second voltage being imparted. The driving device includes a voltage imparting section that: imparts a third voltage that moves, to a display substrate side, a greater-amount-needed particle group for gradation display, in an amount of a difference between particles of the first particle group and second particle group needed for the display; when the greater-amount-needed particle group has an opposite polarity to the aggregates, imparts a fourth voltage that moves the aggregates needed to the display substrate side; and when the polarities are same, imparts a fifth voltage that moves the aggregates not needed to a rear substrate side.Type: GrantFiled: October 18, 2010Date of Patent: April 22, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Yoshinori Machida, Hiroaki Moriyama, Yasuo Yamamoto
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Publication number: 20140104675Abstract: A particle dispersion for display includes color particles for display that move in response to an electric field and include first color particles and second color particles; and a dispersion medium that disperses the color particles for display, in which the second color particles have a larger particle diameter than a particle diameter of the first color particles and the same charging characteristic as a charging characteristic of the first color particles, and in the color particles for display, a ratio (Cs/Cl) of a charge amount Cs of the first color particles per unit area of display to a charge amount Cl of the second color particles per unit area of display is less than or equal to 5.Type: ApplicationFiled: April 26, 2013Publication date: April 17, 2014Applicant: FUJI XEROX CO., LTD.Inventors: Takashi Morikawa, Naoki Hiji, Yasuo Yamamoto, Daisuke Nakayama, Mieko Seki, Hiroaki Moriyama, Ryota Mizutani, Masaaki Abe, Nami Tokunaga, Chikara Manabe, Jun Cao
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Patent number: 8654070Abstract: Electrophoretic particles including mother particles and a dispersant that covers the surface of the mother particles, the mother particles including a resin and a colorant, and the dispersant having a structure represented by the following Formula (1): wherein in Formula (1), R1 represents a dimethyl siloxane chain that comprises two or more dimethyl siloxane structures that are linked together, the dimethyl siloxane chain being optionally substituted by an organic group; R2 represents a hydrogen atom or a methyl group; Ar1 represents an organic group having an aromatic group; a represents an integer of from 8 to 88; b represents an integer of from 12 to 82; c represents an integer of from 0 to 30; f represents an integer of from 1 to 3; the total of a, b and c is 100; and the ratio of unit (b) in the dispersant having a structure represented by Formula (1) is about 50% by weight or less.Type: GrantFiled: March 15, 2010Date of Patent: February 18, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Nami Tokunaga, Jun Kawahara, Daisuke Nakayama, Yasuo Yamamoto, Hiroaki Moriyama